ELECTRONIC CONTAINER VENDING METHOD
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United States of America Patent
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Issued Date -
Apr 7, 2016
app pub date -
Oct 7, 2014
filing date -
Oct 7, 2014
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Abstract
A method of acquiring gas containers from an electronic container vending machine is presented. This method includes receiving an input from a user by means of an input device, indicating a desired gas container of a specific size and containing a specific gas composition. Then determining the availability of the desired gas container with an electronic container inventory means. Then indicating the availability of the desired gas container to the user by means of an output means. Then receiving a user payment to an electronic payment interface. A discount or promotional value may be accepted via QR reader interface. Then delivering the desired gas container through an access permission means, thereby rotating a rotatable container storage and dispensing unit to a predetermined position, and switching an access means from a locked state and an unlocked state.
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